How beautiful!meo Marte
= by my own efforts
from L&S:
suo (nostro, vestro) Marte, by one's own exertions, without the assistance of others : rex ipse suo Marte res suas recuperavit, Cic. Phil. 2, 37, 95; id. Off. 3, 7, 34: cum vos vestro Marte his rebus omnibus abundetis, id. Verr. 2, 3, 4, § 9.—